Our 14-month-old daughter has eczema that seems to get worse with warm weather. We had a constant rash (from eczema and heat rash) last summer and fall then all clear during the winter. Why is this?
For many kids, eczema does get worse when it's hot out. But in any child with significant eczema, it is worth considering whether there may be a food allergy involved. Some kids can handle the food triggers when the weather is cool, but heat brings them out. There is also a condition called food-dependent, exercise-induced allergies, for instance -- where you have to have the offending food AND exercise within two hours of each other to get symptoms. I suspect the same may be true of heat allergies.
There are six main foods that have been linked to eczema: cow's milk, soy, wheat, peanuts, fish, and eggs. An allergist, pediatrician, or dermatologist could do a blood test or other allergy testing on your child. Or you could just try cutting dairy out of your child's diet for two weeks to see if there is an improvement. Reducing any pet exposure may help as well.
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